.darkener{
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: #333;
    transition: 1s ease;
}

.spinner{
    width: 10em;
    height: 10em;
    background-image: url('../../../assets/android-chrome-512x512.png');
    background-size: cover;
    animation: rotation 2s ease infinite;
}

@keyframes rotation {
    0% {
        transform:rotate(0deg);
    }
    100% {
        transform:rotate(360deg);
    }
}